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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 807 · 40 sums
TalentJR

The method (Add 12 after noon): a.m. → keep the hour, written with 2 digits: 07:15. p.m. → add 12 to the hour: 3:35 p.m. = 15:35. 24-hour back to 12-hour: hour more than 12 → take away 12 and say p.m. Time taken: count whole hours, then minutes. 1 hour = 60 minutes.

NameDateTime takenScore ___ / 40
  1. 1.Write 2:55 p.m. in 24-hour time. (a) 16:55 (b) 02:55 (c) 14:55
  2. 2.A train leaves at 12:05 and reaches at 14:10. How long is the journey (in minutes)?
  3. 3.A film is 2 hours 5 minutes long. How many minutes is that?
  4. 4.What is 04:15 in 12-hour time? (a) 6:15 a.m. (b) 4:15 a.m. (c) 4:15 p.m.
  5. 5.Write 1:15 p.m. in 24-hour time. (a) 13:15 (b) 15:15 (c) 01:15
  6. 6.Write 4:45 a.m. in 24-hour time. (a) 04:45 (b) 06:45 (c) 16:45
  7. 7.Write 7:10 a.m. in 24-hour time. (a) 07:10 (b) 19:10 (c) 09:10
  8. 8.A film is 4 hours 10 minutes long. How many minutes is that?
  9. 9.A film is 2 hours 45 minutes long. How many minutes is that?
  10. 10.A train leaves at 06:00 and reaches at 06:40. How long is the journey (in minutes)?
  11. 11.A train leaves at 18:40 and reaches at 19:35. How long is the journey (in minutes)?
  12. 12.How many hours are there from 05:00 to 21:00?
  13. 13.A film is 3 hours 40 minutes long. How many minutes is that?
  14. 14.A match starts at 09:45 and lasts 2 hours 15 minutes. At what time does it end? (a) 13:00 (b) 11:00 (c) 12:00
  15. 15.A film is 3 hours 50 minutes long. How many minutes is that?
  16. 16.A train leaves at 07:15 and reaches at 10:20. How long is the journey (in minutes)?
  17. 17.Write 8:20 a.m. in 24-hour time. (a) 08:20 (b) 20:20 (c) 10:20
  18. 18.A train leaves at 19:30 and reaches at 20:45. How long is the journey (in minutes)?
  19. 19.A film is 3 hours 10 minutes long. How many minutes is that?
  20. 20.A train leaves at 19:45 and reaches at 22:45. How long is the journey (in minutes)?
  21. 21.A match starts at 10:50 and lasts 3 hours 45 minutes. At what time does it end? (a) 15:35 (b) 13:35 (c) 14:35
  22. 22.A film is 1 hour 20 minutes long. How many minutes is that?
  23. 23.What is 17:30 in 12-hour time? (a) 7:30 p.m. (b) 5:30 p.m. (c) 5:30 a.m.
  24. 24.A train leaves at 09:50 and reaches at 12:00. How long is the journey (in minutes)?
  25. 25.How many hours are there from 12:00 to 21:00?
  26. 26.A film is 3 hours 15 minutes long. How many minutes is that?
  27. 27.A train leaves at 06:10 and reaches at 07:20. How long is the journey (in minutes)?
  28. 28.How many hours are there from 06:00 to 17:00?
  29. 29.How many hours are there from 06:00 to 13:00?
  30. 30.What is 02:55 in 12-hour time? (a) 2:55 a.m. (b) 2:55 p.m. (c) 4:55 a.m.
  31. 31.What is 06:05 in 12-hour time? (a) 6:05 p.m. (b) 8:05 a.m. (c) 6:05 a.m.
  32. 32.What is 21:00 in 12-hour time? (a) 11:00 p.m. (b) 9:00 p.m. (c) 9:00 a.m.
  33. 33.A film is 1 hour 25 minutes long. How many minutes is that?
  34. 34.A match starts at 09:15 and lasts 1 hour. At what time does it end? (a) 09:15 (b) 11:15 (c) 10:15
  35. 35.A film is 1 hour 40 minutes long. How many minutes is that?
  36. 36.What is 09:15 in 12-hour time? (a) 9:15 a.m. (b) 11:15 a.m. (c) 9:15 p.m.
  37. 37.What is 10:45 in 12-hour time? (a) 10:45 a.m. (b) 10:45 p.m. (c) 12:45 a.m.
  38. 38.What is 09:35 in 12-hour time? (a) 9:35 a.m. (b) 11:35 a.m. (c) 9:35 p.m.
  39. 39.A train leaves at 11:45 and reaches at 12:50. How long is the journey (in minutes)?
  40. 40.A match starts at 06:10 and lasts 2 hours 20 minutes. At what time does it end? (a) 07:30 (b) 08:30 (c) 09:30

Answer key

  1. 14:55
  2. 125
  3. 125
  4. 4:15 a.m.
  5. 13:15
  6. 04:45
  7. 07:10
  8. 250
  9. 165
  10. 40
  11. 55
  12. 16
  13. 220
  14. 12:00
  15. 230
  16. 185
  17. 08:20
  18. 75
  19. 190
  20. 180
  21. 14:35
  22. 80
  23. 5:30 p.m.
  24. 130
  25. 9
  26. 195
  27. 70
  28. 11
  29. 7
  30. 2:55 a.m.
  31. 6:05 a.m.
  32. 9:00 p.m.
  33. 85
  34. 10:15
  35. 100
  36. 9:15 a.m.
  37. 10:45 a.m.
  38. 9:35 a.m.
  39. 65
  40. 08:30

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